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Video camera and remote recording systemRelated Patent Categories: Television Signal Processing For Dynamic Recording Or Reproducing, Processing Of Television Signal For Dynamic Recording Or Reproducing, Having Another Signal, Audio SignalVideo camera and remote recording system description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060104616, Video camera and remote recording system. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF INVENTION [0001] The present invention relates to the recording of audio with a video camera and, in particular, to the usage and integration of a separated audio source. BACKGROUND [0002] Integrated microphones are found upon almost all video cameras in the marketplace and are used to record one or more audio tracks in synchronism with video images simultaneously recorded by the camera. Such integrated microphones generally result in poor recorded sound quality, often in spite of the quality of the microphone itself, but primarily because the microphone is not usually positioned close to enough to the sound producing subject. Typically such microphones are omnidirectional and detect much extraneous noise which is recorded along with the subject sound. Existing methods of getting the microphone closer to the desired sound source are unsatisfactory in various ways. [0003] For example, running a cable from the camera to a separate microphone can be inconvenient, potentially dangerous, and is often impractical. [0004] Wireless microphones may be used but are expensive and unreliable. If there is interference between the transmitter and receiver, audio information will often be lost or quality will be reduced. Further, where an increasing number of wireless microphones are used in an area, for example by a number of people making a video recording, it is more likely that there will be interference or lost data. [0005] In professional film and video recording, sound is usually recorded completely separately from the video, and later recombined using such standards as the SMPTE time code system. However, the SMPTE time code system was created with the limitations of tape-based recording media in mind. The SMTPE system requires the recording of an additional audio track containing a special "sync tone", which contains a simple measure of time. The sync tone repeats every twenty-four hours, however, so it is possible for the system to become confused if recording occurs over a longer period of time. Also, synchronization can be awkward. Devices that wish to be synchronized have to record the sync tone when they do their own recording. If there are several devices recording, they must all connect to the same source producing the sync tone. When the data from separate devices are combined, synchronization is achieved by lining up the synch tones on each device. The inconvenience of recording the same sync tone on each device is too great for most amateur video recording artists. [0006] Video camera remote-controls are typically used when the user of the camera is not nearby the camera. In the instance that the user operates the remote-control to turn the camera on and off, this is usually because the user is in front of the camera and hence at least part of the subject being recorded. SUMMARY OF THE INVENTION [0007] It is an object of the present invention to substantially overcome or at least ameliorate one or more deficiencies with existing recording methods. [0008] The present invention addresses this object to allow convenient recording using multiple audio and video sources that can be simply synchronized in a post-recording environment. [0009] In accordance with one aspect of the present invention, there is disclosed a system for recording audio and video, said system comprising: [0010] at least one video camera device, each said camera device comprising a subsystem for capturing at least video data, a storage device upon which at least said video data is stored, a wireless interface for communicating with at least one further recording device, an internal clock for recording at least a time at which said video data was recorded, and a connecting port enabling connection to a remote-control device; and [0011] at least one said further recording device, each said remote recording device comprising at least one microphone for capturing audio information, a storage device upon which corresponding audio data is recorded, a wireless interface for communicating with said video camera device, an internal clock for recording at least a time at which said audio data was recorded, and a connection port enabling connection to said video camera device. [0012] Desirably one said remote recording device is adapted to by physically and detachably coupled to one said video camera device for at least audio recording operations at the video camera device and, when detached, for audio recording operations at a location remote from said video camera device. [0013] In accordance with another aspect of the present invention there is disclosed a system for recording audio and video data, said system comprising: [0014] a video camera device comprising a subsystem for capturing at least video data, a storage device upon which at least said video data is stored, a wireless interface for communicating with at least one remote controller, and an internal clock for recording at least a time at which said video data was recorded; and [0015] at least one said remote controller, each said remote controller comprising at least one microphone for capturing audio data, a storage device upon which said audio data is stored, a wireless interface for communicating with said video camera device, and an internal clock for recording at least a time at which said audio data was recorded, wherein said remote controller transmits reproduced audio data to said video camera device, and makes said video camera device record said reproduced audio data relating to said video data in accordance with each said internal clock of said remote controller and said video camera device. [0016] In accordance with another aspect of the present invention there is disclosed a method for recording audio and video, said method comprising the steps of: [0017] (a) physically connecting an audio device having an internal clock to a video device having a complementary internal clock, thereby synchronizing and associating the two devices; [0018] (b) physically disconnecting the devices; [0019] (c) instructing the audio device to record audio data that contains or is at least associated with a current time presented by the internal clock on the audio device, thereby causing the audio device to commence recording; [0020] (d) instructing the video device to record video data that contains or is at least associated with a current time presented by the internal clock on the video device, thereby causing the video device to commence recording; [0021] (e) instructing the audio device to stop recording; Continue reading about Video camera and remote recording system... 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